4целых 1/2•(2/9:7/11)

Question

4целых 1/2•(2/9:7/11)

Answer 1

4 целых 1/2 * (2/9 : 7/11) = 1 целая 4/7

1) 2/9 : 7/11 = 2/9 * 11/7 = 22/63
2) 4 целых 1/2 * 22/63 = 9/2 * 22/63 = (1*11)/(1*7) = 11/7 = 1 целая 4/7